Electric vacuum cleaner



FIG. 1 is a perspective view of the front, top and left side of an electric vacuum cleaner showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a right side view thereof.

The portions shown in broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an electric vacuum cleaner, as shown and described. 